Welcome to Wonderland! One day in our world has opened a passage into another universe, which broke through the two beings with incredible force. Fighting, monsters destroy each other, leaving behind only the mysterious column of dark matter and questions without answers... Twelve years later the children of two scientists,studied the portal between worlds, goes in search of the missing parents. On the ghost train of gold and Yu get into an alien world. Here they are joined by Lisa traveler, and a little later, they meet a mysterious stranger Kaji... Thus begins an adventurous journey into the heart of Wonderland.